| Inhouse Employer | Central | Hotel | SO | SSO | - |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Uniforce Security Services Pte Ltd | Central | - | SSO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SS | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | North | - | SSO | SSO | Bukit Batok |
| Regal Security & Fire Management Services Pte Ltd | Central | In-House | SSO | SSO | Bukit Batok |
| SECOM Smart (Singapore) Pte. Ltd. | West | Commercial | SSO | SSO | Bukit Batok |
| Certis Group | Central | Commercial | SO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Bukit Batok |
| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | In-House | SSO | SSO | Jurong East |
| E2E Global Services Pte Ltd | East | Commercial | SO | SSO | Jurong East |
| M Social Singapore | Central | Hotel | OE | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SO | SSO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| Dragnet Smartech Security Pte Ltd | East | - | SSO | SSO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SSO | Jurong East |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Jurong East |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Jurong East |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Jurong East |
| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSO | Simei |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Sengkang |
